LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Supplemental Inflatable Restraints) >> Diagnostic Information and Procedures >> DTC B0090 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn OFF the ignition. Turn the I/P module disable switch to the ON position. Connect the scan tool. Turn ON the ignition, with the engine OFF. The I/P module disable switch ON indicator should illuminate. Scan tool should display ENABLED.
    • If the indicator does not illuminate, test the I/P module disable switch power and ground circuits for proper operation. If any of the above conditions are found, make appropriate repair.
    • Replace the I/P module disable switch. Refer toRepair Instructions .
  2. Turn the I/P module disable switch on and off and verify that the active switch data parameter toggles between Enabled/Disabled.
    • Test the I/P module disable signal and suppression indicator control circuits for a short to voltage, short to ground or open/high resistance. If any of the above conditions are found, make the appropriate repair.
    • Replace I/P module disable switch. Refer to Repair Instructions .
  3. Reconnect all components, with ignition ON use the scan tool to clear DTC. Recheck for DTC. If DTC B0090 resets, replace the SDM. Refer to Repair Instructions .
scientia non olet · About LEMON Manuals